Post Utme Physics Questions
Question 221:
The range of wavelengths of visible spectrum is \(400 nm -700 nm\) the wavelength of gamma rays is ____________
- A Longer than \(700 nm\)
- B Shorter than \(700 nm\) but longer than \(400 nm\)
- C \(550 nm\)
- D Shorter than \(400 nm\)
- E Infinite
Question 222:
Which of the following arrangements in the sequence show can he used to ohtain a pure spectrum of white light?
- A Source, slit, converging lens, prism, converging lens, screen
- B Sourceslit, diverginglens, prism, diverging lens, screen
- C Source, converging lens, prism, diverging lens, screen
- D Source, slit, diverging lens, converging lens, screen
- E Source, slit, prism, diverging lens, screen
Question 223:
The mechanical advantage (MA) of an inclined plane depends on ____________
- A Its length
- B Its height
- C The product of its length and height
- D The ratio of its length to its height
Question 225:
Which of the following consist entirely of scalar quantities:
- A Pressure, work and electric potential
- B Force, momentum and distance
- C Velocity, energy and impulse
- D Mass, time and temperature